?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Tran%2C+Ba+Tan&rft.aulast=Tran&rft.aufirst=Ba+Tan&rft.volume=28&rft.date=June+2015&rft.issn=1859-3585&rft.atitle=Thi%E1%BA%BFt+k%E1%BA%BF+m%E1%BA%A1ch+khu%E1%BA%BFch+%C4%91%E1%BA%A1i+c%C3%B4ng+su%E1%BA%A5t+cho+Modem+th%E1%BB%A7y+%C3%A2m+s%E1%BB%91+d%C3%B9ng+%C4%91i%E1%BB%81u+ch%E1%BA%BF+FSK&rft.title=Journal+of+Science+%26+Technology+-+Hanoi+University+of+Industry&rft.pages=15-18&rft.genre=article